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Finding the Fourth Proportional to 530,010.80, 793,979.40 and 362,049.20

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Solution

The fourth proportional to 530,010.80, 793,979.40 and 362,049.20 is: 542,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,010.80 : 793,979.40 = 362,049.20 : x
  2. Step 2: Convert to fraction form
    530,010.80/793,979.40 = 362,049.20/x
  3. Step 3: Cross multiply
    530,010.80x = 793,979.40 × 362,049.20
  4. Step 4: Simplify right side
    530,010.80x = 287,459,606,586.48
  5. Step 5: Solve for x
    x = 287,459,606,586.48/530,010.80
  6. Step 6: Final answer
    x = 542,365.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.